Physics · 2017
NEET 2017 · 7 May · Code A · Q29
An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current 'I' along the same direction is shown in…
An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current 'I' along the same direction is shown in Fig. Magnitude of force per unit length on the middle wire ' $\displaystyle B$ ' is given by :
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle \frac{\mu_0 \mathrm{i}^2}{\sqrt{2} \pi \mathrm{d}}$
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NEET (UG) 2017 Physics question, with the answer from NTA’s final answer key. Where our answers come from.